As a developer with over 6 years of experience in both frontend and backend development, I am well-versed in delivering full stack web and mobile app solutions. My expertise includes proficiency in React Native and cross-platform development, two skills that align perfectly with your project requirements. I have successfully delivered fitness and healthcare apps in the past, which further highlights my ability to tackle the specific challenges your project presents.
One of the key aspects of your app is user registration and authentication, an ability I possess through my experience in building similar applications. Understanding the significance of UI/UX best practices, especially in the context of a fitness app such as yours, I am dedicated to creating an intuitive and user-friendly design that would motivate users towards their fitness goals.
Another valuable aspect I bring is ensuring quality alongside realistic timelines. As a lead developer, I've steered a project similar to Zapier which required strategic planning and effective time management. Rest assured that if given this opportunity, you can expect precisely executed work within the stipulated timeframe. Through my collaboration, we can build an exceptional fitness app experience that meets all your requirements at each step.